#334169
Closest named color: Dark Grey Blue (#29465B). oklch(38.3% 0.071 268.3), rgb(51, 65, 105).
Aa
White text reads best on this color (9.99:1).
About this color
#334169 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.071 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.035 away. White text reads best on it, at 9.99:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #334169 |
| RGB | rgb(51, 65, 105) |
| HSL | hsl(224, 35%, 31%) |
| OKLCH | oklch(38.3% 0.071 268.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #334169 | 9.99:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #334169 | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #334169 text on white | 9.99:1 | AAA | Lc 93.1 | Preferred for body text |
| #334169 text on black | 2.10:1 | Fails | Lc -9.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B2C0E4
oklch(80.9% 0.053 268.5)
-
Step 400
400
#8A9FD6
oklch(70.7% 0.084 268.1)
-
Step 500
500
#6E86CC
oklch(63.1% 0.109 268.8)
-
Step 600
600
#566FB8
oklch(55.6% 0.117 268.2)
-
Step 700
700
#465C9F
oklch(49% 0.111 268.4)
-
Step 800
800
#3A4C81
oklch(42.8% 0.091 268.2)
-
Step 900
900 (this color)
#334169
oklch(38.3% 0.071 268.3)
-
Step 950
950
#1D253D
oklch(26.9% 0.046 269.1)
#334169 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #32456B | 0.012 |
| Deuteranopia (no green cones) | #2C4068 | 0.010 |
| Tritanopia (no blue cones) | #1D4950 | 0.062 |
| Achromatopsia (no color) | #424242 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334169
#334169
oklch(38.3% 0.071 268.3)
- #53400C
#53400C
oklch(38.2% 0.071 87.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #334169, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.035
- Twilight Blue #0A437A ΔE 0.044
- Charcoal #264653 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.057
- Marine Blue #01386A ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.058
- Light Navy #155084 ΔE 0.059
- Cobalt #1E488F ΔE 0.065
Use #334169 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.